[XFRM]: xrfm_replay_check() annotations

seq argument is net-endian

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index 59685ee..7af227b 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -258,7 +258,7 @@
 static int xfrm6_tunnel_rcv(struct sk_buff *skb)
 {
 	struct ipv6hdr *iph = skb->nh.ipv6h;
-	u32 spi;
+	__be32 spi;
 
 	spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&iph->saddr);
 	return xfrm6_rcv_spi(skb, spi);